Overview
McDonald’s is the world’s largest chain of hamburger fast food restaurants. They serve around 68 million customers daily in 119 countries with more than 35,000 outlets. Their revenue is over 28 billion dollars a year. They are the world’s second largest employer with 1.9 million employees.
Challenges
With a hardness level of 27 grains, a McDonald’s in State College, PA was experiencing several problems associated with hard water – scale buildup in faucets, toilets, sinks and kitchen equipment in addition the scale was clogging up the dishwasher.
Solution
The original ScaleBlaster model SB-100 was installed on the waterline entering the building.
Installed
September 26, 1997
Outcome
Within days of installation, employees noticed a difference in the water. The limescale buildup in the faucets had disappeared, the toilets were easier to clean and the overhead spryer on the dishwasher was no longer clogging up. The owner reported savings in soap usage, cleaning supplies and labor – especially the savings realized in plumbing and fixture maintenance repair.

Founder and Co-Owner of Clearwater Enviro Technologies
Jeff Conway is the founder and co-owner of Clearwater Enviro Technologies, which opened in 1989 from the city it started from – Clearwater, Florida. The first product line was the Clearwater Pool Systems with Apollo 11 astronaut Buzz Aldrin as it’s company spokesman. In 1995, the electronic water conditioner ScaleBlaster was added to the product line. Jeff was born in Auburn, Indiana but grew up in Fairfield, Connecticut. He is a graduate of Florida Southern College in 1978 and has resided in the Tampa Bay area ever since. Several products have evolved over the years, making the company the largest manufacturer of mineral ionization equipment and electronic water conditioners in the world.